208456276

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 441305088

約数和(自身を除く): 232848812

約数列:

[1, 2, 4, 7, 14, 28, 31, 61, 62, 122, 124, 127, 217, 244, 254, 427, 434, 508, 854, 868, 889, 961, 1708, 1778, 1891, 1922, 3556, 3782, 3844, 3937, 6727, 7564, 7747, 7874, 13237, 13454, 15494, 15748, 26474, 26908, 27559, 30988, 52948, 54229, 55118, 58621, 108458, 110236, 117242, 122047, 216916, 234484, 240157, 244094, 410347, 480314, 488188, 820694, 854329, 960628, 1641388, 1681099, 1708658, 3362198, 3417316, 6724396, 7444867, 14889734, 29779468, 52114069, 104228138, 208456276]

約数ペア:

[(1, 208456276), (2, 104228138), (4, 52114069), (7, 29779468), (14, 14889734), (28, 7444867), (31, 6724396), (61, 3417316), (62, 3362198), (122, 1708658), (124, 1681099), (127, 1641388), (217, 960628), (244, 854329), (254, 820694), (427, 488188), (434, 480314), (508, 410347), (854, 244094), (868, 240157), (889, 234484), (961, 216916), (1708, 122047), (1778, 117242), (1891, 110236), (1922, 108458), (3556, 58621), (3782, 55118), (3844, 54229), (3937, 52948), (6727, 30988), (7564, 27559), (7747, 26908), (7874, 26474), (13237, 15748), (13454, 15494)]